decadent

Attribute applicable to most citizens of todays western countries. Consequence of having excess of everything and not being exposed to challenges. Usually, this phenomenon appears after a long time of successful existence of a society and precedes a period of decline. Happened with the Roman Empire about two millennia ago.

One that is
decadent, or deteriorating; esp., one characterized by, or exhibiting,
the qualities of those who are degenerating to a lower type; --
specif. applied to a certain school of modern French
writers.

The decadents and æsthetes, and certain
types of realists. C. L. Dana.

The business men of a great State allow their State to
be represented in Congress by "decadents". The
Century.